Construction codes of Ontario

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Top Plates

Top Plates (1) Except as permitted in Sentences (2) to (4), no fewer than two top plates shall be provided in loadbearing walls. (2) A single top plate is permitted to be used in a section of a loadbearing wall containing a lintel provided the top plate forms a tie across the lintel. (3) A single […]

Tying Wythes

(1) Where two or more wythes are tied together with metal ties of the individual rod type, the ties shall conform to the requirements in Sentences (3) to (6). (2) Other ties may be used where it can be shown that such ties provide walls that are at least as strong and as durable as those […]

Types and installation of sheating

Types and installation of sheating OSB is a structural panel made from wood strands that are bonded together under heat and pressure with a waterproof, phenolic adhesive. The strands in the outer faces are oriented along the longitudinal axis of the panel, giving added strength and rigidity in the long direction. The panels are manufactured […]

Used Bricks

(1) Used bricks shall be free of old mortar, soot or other surface coating and shall conform to Article 9.20.2.1. Article 9.20.2.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Vapour Barrier Materials

Vapour Barrier Materials (1) Vapour barriers shall have a permeance not greater than 60 ng/(Pa∙s∙m2), measured in accordance with ASTM E96 / E96M, “Water Vapor Transmission of Materials”, using the desiccant method (dry cup). (2) Where the intended use of the interior space will result in high moisture generation, the assembly shall be designed according to […]

Vinyl Siding Material Standard

Vinyl Siding Material Standard (1) Vinyl siding, including flashing and trim accessories, shall conform to CAN/CGSB-41.24, “Rigid Vinyl Siding, Soffits and Fascia”. Article 9.27.12.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only

Wall sheathing description

Wall sheathing description Wall sheathing is the outside covering used over the wall framework. It is nailed directly to the wall framing members and provides a nailing base for some types of siding and backing for others. Certain wall sheathing materials such as plywood and OSB are very effective in providing lateral bracing. Insulating sheathing […]